b) On August 31st, 2021, you observe that the US Treasury 2 year nominal bond with the par value of $1,050 is trading for the same price as the 3 year bond in part a which is 1106.91 . This 2 year bond pays annual coupons, which are the same every year. What is the coupon rate of this 2 year bond (in percentages)?

Part a ) if needed !! What is the price of the US Treasury 3 year nominal 4% annual coupon bond with the par value of $1,000 on August 31st, 2021?

please just answer part (b) ?